Asthma us a predisposition to chronic Inflamation of the lungs in which he airways are reversibly narrowed. Asthma effects 7% of the population in the United States, 6.5% of British people, and a total of 300 million people worldwide. although asthma is a chronic obstructive condition, it is not usually considered a part of Chronic Obstructive Pulmonary Disease as this term refers specifically to the combinations of Chronic Bronchitis and emphysema. Unlike these diseases, the airway obstruction in asthma is reversible; however, if left untreated, asthma can result in chronic inflammation of the lungs and irreversible obstruction common symptoms of asthma are nighttime coughing, shortness of breath, and complaints of tight feeling in the chest area.
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